Aquarium sludge remover (air powered)
thingiverse
This thing are used as sludge collector on sandless tank. It need 38 pi plastic pipe (or from plastic bottle) and air powerd waterpump (https://www.thingiverse.com/thing:445275). Attached photo are only two days working.
Download Model from thingiverse
With this file you will be able to print Aquarium sludge remover (air powered) with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Aquarium sludge remover (air powered).